ProgramNode(0...29)(
  [:rest],
  StatementsNode(0...29)(
    [CaseNode(0...29)(
       SymbolNode(5...7)((5...6), (6...7), nil, "a"),
       [InNode(8...25)(
          HashPatternNode(11...17)(
            nil,
            [AssocSplatNode(11...17)(
               LocalVariableWriteNode(13...17)(:rest, 0, nil, (13...17), nil),
               (11...13)
             )],
            nil,
            nil,
            nil
          ),
          StatementsNode(23...25)(
            [SymbolNode(23...25)((23...24), (24...25), nil, "d")]
          ),
          (8...10),
          (18...22)
        )],
       nil,
       (0...4),
       (26...29)
     )]
  )
)
